Chemical Engineering Basics
Materials having __________ lattice structure are usually the most ductile.

Face centred cubic (fcc)
None of these
Hexagonal close packed (hcp)
Body centred cubic (bcc)

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Chemical Engineering Basics
Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

Counter flow with unequal heat capacities
Counter flow with equal heat capacities
Parallel flow with unequal heat capacities
Parallel flow with equal heat capacities

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